LetsBeSigmas[.]exe

Sharing

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General

Target

LetsBeSigmas.exe
Size

16KB
MD5

24609a324669af5ddad987c907e72ef7
SHA1

c55d8c31ec0e96add9354e74a65da64e8292bfcf
SHA256

4348c340e4e288613614b6ceb67465248581883f361c2b8bf79dda8425f8089e
SHA512

809f69297faf47f5430b0091bf53d0093eff34c41eb2474d4e408329f468c92e8e3ac8a3c683e09bdeca9ed1efe6472f5255c31567bf40ebfaf02012b22dfa03
SSDEEP

384:mJ96InLFXqUNGm8wNnkDqr3AmpjVk3DMC:mJ9FLFXqq8wkDqjP5k3Z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
LetsBeSigmas.exe

Files

LetsBeSigmas.exe
.exe windows:6 windows x64 arch:x64

3498e0c466a1977ceb62925a10413597

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\Users\user\source\repos\LetsBeSigmas\x64\Release\LetsBeSigmas.pdb

Imports

kernel32

OpenProcess
CreateToolhelp32Snapshot
Process32Next
CloseHandle
WaitForSingleObject
VirtualAllocEx
CreateRemoteThread
VirtualFreeEx
WriteProcessMemory
Process32First
SetFileAttributesA
GetModuleFileNameA
Sleep
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW

advapi32

RegCreateKeyExA
RegSetValueExA
RegCloseKey

msvcp140

?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEBX@Z
_Query_perf_frequency
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
_Query_perf_counter
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception
__C_specific_handler
__std_terminate
__current_exception_context
memset
memcpy

api-ms-win-crt-heap-l1-1-0

_set_new_mode

api-ms-win-crt-string-l1-1-0

_stricmp

api-ms-win-crt-runtime-l1-1-0

_crt_atexit
_seh_filter_exe
_register_onexit_function
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
_set_app_type
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
terminate

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 456B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3498e0c466a1977ceb62925a10413597

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 6KB - Virtual size: 5KB

.rdata Size: 6KB - Virtual size: 6KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 512B - Virtual size: 456B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 48B

.text
Size: 6KB - Virtual size: 5KB

.rdata
Size: 6KB - Virtual size: 6KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 512B - Virtual size: 456B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 48B